public static MinimumAvatarPacket BufferToPacket(byte[] buf)
{
if (buf == null || buf.Length != 31)
{
return(null);
}
var offset = sizeof(float);
var userId = BitConverter.ToUInt64(buf, offset);
var x = BitConverter.ToInt16(buf, offset += sizeof(long));
var y = BitConverter.ToInt16(buf, offset += sizeof(short));
var z = BitConverter.ToInt16(buf, offset += sizeof(short));
offset += sizeof(short);
var radY = (sbyte)buf[offset];
var qx = (sbyte)buf[offset + 1];
var qy = (sbyte)buf[offset + 2];
var qz = (sbyte)buf[offset + 3];
var qw = (sbyte)buf[offset + 4];
var time = BitConverter.ToDouble(buf, offset + 5);
MinimumAvatarPacket packet =
new MinimumAvatarPacket(userId, new Vector3(x, y, z), radY,
new Vector4(qx, qy, qz, qw), time);
if (packet.CheckRange())
{
return(packet);
}
else
{
return(null);
}
}
public static List <MinimumAvatarPacket> BufferToPackets(byte[] buf)
{
if (buf != null && buf.Length > 0)
{
var numPackets = BitConverter.ToInt32(buf, 0);
var supposedBufSize = numPackets * 48 + 16;
if (buf.Length == supposedBufSize)
{
List <MinimumAvatarPacket> packets = new List <MinimumAvatarPacket>();
for (int i = 0; i < numPackets; ++i)
{
var beginOffset = i * 48;
var idLen = buf[16 + beginOffset];
byte[] bStr = new byte[idLen];
Buffer.BlockCopy(buf, 16 + 1 + beginOffset, bStr, 0, idLen);
var userId = System.Text.Encoding.UTF8.GetString(bStr);
var x = BitConverter.ToSingle(buf, 32 + beginOffset);
var y = BitConverter.ToSingle(buf, 32 + sizeof(float) + beginOffset);
var z = BitConverter.ToSingle(buf, 32 + sizeof(float) * 2 + beginOffset);
var radY = BitConverter.ToSingle(buf, 32 + sizeof(float) * 3 + beginOffset);
var qx = BitConverter.ToSingle(buf, 48 + beginOffset);
var qy = BitConverter.ToSingle(buf, 48 + sizeof(float) + beginOffset);
var qz = BitConverter.ToSingle(buf, 48 + sizeof(float) * 2 + beginOffset);
var qw = BitConverter.ToSingle(buf, 48 + sizeof(float) * 3 + beginOffset);
MinimumAvatarPacket packet = new MinimumAvatarPacket(userId, new Vector3(x, y, z), radY, new Vector4(qx, qy, qz, qw));
packets.Add(packet);
}
return(packets);
}
}
return(null);
}
public static byte[] PacketToBuffer(MinimumAvatarPacket packet)
{
byte[] buff = new byte[64];
var numPackets = BitConverter.GetBytes(1);
Buffer.BlockCopy(numPackets, 0, buff, 0, sizeof(int));
var beginOffset = 0;
var id = System.Text.Encoding.UTF8.GetBytes(packet.PaketId);
var bx = BitConverter.GetBytes(packet.Position.X);
var by = BitConverter.GetBytes(packet.Position.Y);
var bz = BitConverter.GetBytes(packet.Position.Z);
var bRadY = BitConverter.GetBytes(packet.RadY);
var bQx = BitConverter.GetBytes(packet.NeckRotation.X);
var bQy = BitConverter.GetBytes(packet.NeckRotation.Y);
var bQz = BitConverter.GetBytes(packet.NeckRotation.Z);
var bQw = BitConverter.GetBytes(packet.NeckRotation.W);
buff[16] = (byte)id.Length;
Buffer.BlockCopy(id, 0, buff, 16 + 1, id.Length);
Buffer.BlockCopy(bx, 0, buff, 32, sizeof(float));
Buffer.BlockCopy(by, 0, buff, 32 + sizeof(float), sizeof(float));
Buffer.BlockCopy(bz, 0, buff, 32 + sizeof(float) * 2, sizeof(float));
Buffer.BlockCopy(bRadY, 0, buff, 32 + sizeof(float) * 3, sizeof(float));
Buffer.BlockCopy(bQx, 0, buff, 48, sizeof(float));
Buffer.BlockCopy(bQy, 0, buff, 48 + sizeof(float), sizeof(float));
Buffer.BlockCopy(bQz, 0, buff, 48 + sizeof(float) * 2, sizeof(float));
Buffer.BlockCopy(bQw, 0, buff, 48 + sizeof(float) * 3, sizeof(float));
return(buff);
}
public static List <MinimumAvatarPacket> BufferToPackets(byte[] buf)
{
if (buf != null && buf.Length > 0)
{
int begin = sizeof(float);
var numPackets = BitConverter.ToInt32(buf, 0);
var supposedBufSize = numPackets * 27 + begin;
if (buf.Length == supposedBufSize)
{
List <MinimumAvatarPacket> packets = new List <MinimumAvatarPacket>();
for (int i = 0; i < numPackets; ++i)
{
var offset = begin + i * 27;
var userId = BitConverter.ToUInt64(buf, offset);
var x = BitConverter.ToInt16(buf, offset += sizeof(long));
var y = BitConverter.ToInt16(buf, offset += sizeof(short));
var z = BitConverter.ToInt16(buf, offset += sizeof(short));
offset += sizeof(short);
var radY = (sbyte)buf[offset];
var qx = (sbyte)buf[offset + 1];
var qy = (sbyte)buf[offset + 2];
var qz = (sbyte)buf[offset + 3];
var qw = (sbyte)buf[offset + 4];
var time = BitConverter.ToDouble(buf, offset + 5);
MinimumAvatarPacket packet = new MinimumAvatarPacket(userId, new Vector3(x, y, z),
radY,
new Vector4(qx, qy, qz, qw), time);
if (packet.CheckRange())
{
packets.Add(packet);
}
}
return(packets);
}
}
return(null);
}
public static MinimumAvatarPacket BufferToPacket(byte[] buf)
{
if (buf == null || buf.Length != 64)
{
return(null);
}
var idLen = buf[16];
byte[] bStr = new byte[idLen];
Buffer.BlockCopy(buf, 16 + 1, bStr, 0, idLen);
var userId = System.Text.Encoding.UTF8.GetString(bStr);
var x = BitConverter.ToSingle(buf, 32);
var y = BitConverter.ToSingle(buf, 32 + sizeof(float));
var z = BitConverter.ToSingle(buf, 32 + sizeof(float) * 2);
var radY = BitConverter.ToSingle(buf, 32 + sizeof(float) * 3);
var qx = BitConverter.ToSingle(buf, 48);
var qy = BitConverter.ToSingle(buf, 48 + sizeof(float));
var qz = BitConverter.ToSingle(buf, 48 + sizeof(float) * 2);
var qw = BitConverter.ToSingle(buf, 48 + sizeof(float) * 3);
MinimumAvatarPacket packet = new MinimumAvatarPacket(userId, new Vector3(x, y, z), radY, new Vector4(qx, qy, qz, qw));
return(packet);
}
